#include <WiFi.h>
#include <HTTPClient.h>
#include <ESP32Servo.h>

// Define LED pins
int pirPin = 13;  // Pin connected to PIR sensor
int LedRED = 15;
int LedGREEN = 2;
int LedBLUDE = 4;
int LedYELLOW = 5;
int LedORANGE = 18;
Servo myservo;    // Create a servo object
int servoPin = 21; // Pin connected to the servo signal

// Define LDR pin
int ldrPin = 34; // Change this to the actual pin you are using for the LDR

// Define authentication and Wi-Fi credentials
String LINE_TOKEN = "opWQZMOEMELpHMZQcqdUTiy9P34ZPukejP40T70m0LY"; // LINE Token
char auth[] = ""; // Blynk authentication token
char ssid[] = "Wokwi-GUEST"; // Wi-Fi SSID
char pass[] = ""; // Wi-Fi password

void setup() {
  Serial.begin(9600);
  pinMode(LedRED, OUTPUT);
  pinMode(LedGREEN, OUTPUT);     
  pinMode(LedBLUDE, OUTPUT);   
  pinMode(LedYELLOW, OUTPUT);
  pinMode(LedORANGE, OUTPUT);
  pinMode(pirPin, INPUT);      // Set PIR pin as input
  myservo.attach(servoPin);    // Attach the servo to the specified pin
  myservo.write(0);            // Initialize the servo position to 0 degrees

  // Initialize Wi-Fi
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");
}

void loop() {
  int val = analogRead(ldrPin);
  int pirValue = digitalRead(pirPin);
  Serial.print("ความเข้มแสง = ");
  Serial.println(val);

  if (val > 500) {
    digitalWrite(LedRED, HIGH);   // Turn on Red LED
    digitalWrite(LedGREEN, LOW);  // Turn off Green LED
    myservo.write(0);             // Set servo to 0 degrees
  } else {
    if (pirValue == HIGH) {
      sendLineNotification("พระอาทิตย์ขึ้นแล้ว ตื่นๆๆๆๆ");
      digitalWrite(LedRED, LOW);    // Turn off Red LED
      digitalWrite(LedGREEN, HIGH); // Turn on Green LED
      myservo.write(360);            // Rotate servo to 90 degrees
      delay(1000); // It is better to use timers instead of delay
    }
  }
}

void sendLineNotification(const char* message) {
  HTTPClient http;
  http.begin("https://notify-api.line.me/api/notify");
  http.addHeader("Authorization", "Bearer " + LINE_TOKEN);
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");

  int httpCode = http.POST("message=" + String(message));
  String payload = http.getString();

  Serial.println("HTTP Response Code: " + String(httpCode));
  Serial.println("Response: " + payload);
  
  http.end();
}